Watts 400 Ignitor CD-2a Bulb T46 Base E40 Diameter max 46mm Length max 292mm Initial lumen 55000lm Oper. current 4.60A Oper. voltage 100V Avg. Life 32000hrs Correlated Color Temperature K (CCT) 2000K Finish Clear Oper.Pos U Fig D Pkg. Qty 12